Out of stock
PSA PX-10 18" Mid-Length .308 WIN 1:10 Stainless Steel 13.5" M-Lok Lightweight Upper w/ BCG & CH
Out of stock

PSA PX-10 18" Mid-Length .308 WIN 1:10 Stainless Steel 13.5" M-Lok Lightweight Upper w/ BCG & CH

SKU 516447158
Brand Palmetto State Armory
Model Number 516447158
UPC 516447158
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Product Details


Barrel Length: 18”
Barrel Material: 416R Stainless Steel
Barrel Profile: A2
Chamber: .308 WIN
Twist Rate: 1 in 10”
Extension: PSA X-10
Gas System: Mid-Length
Gas Block Type: Low profile .750”
Upper Receiver: Forged 7075 T6 Aluminum
Receiver Style: PSA X-10
Receiver Finish: Hardcoat Anodized
Forward Assist: Yes
Dust Cover: Yes, PSA X-10
Handguard Type: Free Float
Handguard Style: PSA  X-10 Lightweight M-Lok Free Float
Handguard Length: 13.5”
Bolt Steel: 9310, Nitride Treated
Bolt Carrier Steel: 8620, Nitride Treated
Staked Gas Key: Yes


**Due to the proprietary design of this upper receiver, it will only function with a PX-10 Lower Receiver.  Compatible Lower Receivers can be found here.



Barrel: Machined from 416R stainless steel, chambered in .308 WIN with a 1:10 twist rate and a midlength gas system. Upper is paired with a PSA 15" Lightweight Keymod Free Float rail that is unique to this platform, a .750 gas block, and an A2-style muzzle device.

Upper:  Precision machined from forged 7075-T6 aluminum, then black anodize hardcoated to MIL-8625 Type 3 class 2.   

Bolt Carrier Group:  9310 steel bolt assembly, nitride treated for durability.  8620 carrier, nitride treated, with a nitride treated gas key properly staked with grade 8 fasteners.  The X-10 bolt carrier group profile is smaller in diameter than the PA-10 BCG helping reduce weight of the rifle to increase mobility.  Charging handle included.


Q & A